Teresa Gallagher
Biography
Teresa Gallagher is an American-born British actress, voice actress, and singer who is known for her roles in several animated television shows, such as Nicole Watterson, Margaret Robinson, Penny Fitzgerald, and various characters in The Amazing World of Gumball; Annie, Clarabel, Emily, Rosie, Mavis, Gina, Frieda, and numerous characters in Thomas & Friends; Egbert and Gilda in Poppy Cat; EOS and various guest characters in Thunderbirds Are Go; Elias and Helinor in Elias: Rescue Team Adventures; and the Tiddlytubbies in the 2015 reboot of Teletubbies.
For Disney, she voiced Mater's computer in Disney/Pixar's Cars 2 and its video game; the titular character in the U.K. version of Henry Hugglemonster; Dashi in the Disney Junior British series The Octonauts; and Jessica Wright, Mallory, and Lolo Calorie in the Disney XD British/French series Dude, That's My Ghost!.
Filmography
Spiked
2025
as Acorn Bunny (voice)
The Octonauts & the Great Summer Adventure
2023
as Dashi (voice)
Thomas & Friends: Animal Adventures
2021
as Emily / Annie / Clarabel / Belle (voice)
Thomas and Friends: The Super Engine
2021
as Stephen Hatt / Bridget Hatt / Annie / Clarabel / Emily (voice)
Octonauts & the Ring of Fire
2021
as Dashi (voice)
Octonauts and the Great Barrier Reef
2020
as Dashi (Voice)
Thomas & Friends: Marvellous Machinery
2020
as Emily / Annie / Clarabel (voice)
Octonauts and the Caves of Sac Actun
2020
as Dashi/Ryla (Voice)
Thomas & Friends: Carnival Day!
2020
as Emily / Stephen Hatt / Bridget Hatt / Sodor Rangers (voice)
Thomas and Friends: The Royal Engine
2020
as Emily (voice)
Thomas & Friends: Steam Team to the Rescue
2020
as Emily / Belle / Annie / Clarabel / Teacher / Albert's Wife (voice)
Thomas & Friends: A Colourful World
2019
as Emily / Duchess of Boxford / Blonde Girl / Clarabel / Stephen Hatt / Bridget Hatt (voice)
Thomas & Friends: Digs & Discoveries
2019
as Brenda (voice)
Thomas & Friends: Monkey Trouble!
2019
as Emily / Judy / Annie / Clarabel / Lady Hatt (voice)
Thomas & Friends: Here Comes the Steam Team!
2018
as Emily / Belle / Annie / Clarabel / Stephen Hatt / Bridget Hatt / Passengers / Madeleine's Mother (voice)
Thomas & Friends: Big World! Big Adventures! The Movie
2018
as Emily / Marion / Daisy / Natalie / American Diesel / Annie / Clarabel / Cassia (voice)
Thomas & Friends: On the Go with Thomas
2018
as Emily / Annie / Passengers / Clarabel / Albert's Wife (voice)
Thomas & Friends: Danger at the Docks
2018
as Emily / Passengers / Mavis / Judy / Albert's Wife (voice)
Thomas & Friends: Christmas on Sodor
2017
as Annie / Clarabel / Lady Hatt / People / Belle / Mavis / Judy / Carolers / Children (voice)
Thomas & Friends: Journey Beyond Sodor
2017
as Emily / Annie / Clarabel (voice)
Thomas & Friends: Extraordinary Engines
2017
as Lady Hatt / Stephen Hatt / Bridget Hatt (voice) (uncredited)
Thomas & Friends: Tales from the Rails
2017
as Children / Annie / Clarabel / Emily (voice)
Thomas and Friends: Ultimate Friendship Adventures
2016
as Annie / Clarabel / Belle / Albert's Wife (voice)
Octonauts - 15 Underwater Adventures
2016
as Dashi